Currently, vehicle-related particulate matter is the main determinant air pollution in urban environment. This study was designed to investigate level of fine (PM2.5) and coarse particle (PM10) concentration roadside vehicles Addis Ababa, capital city Ethiopia using artificial neural network model. To train, test validate model, traffic volume, weather data concentrations were collected from 15...

Government departments use the air quality index (AQI) to inform public about how unhealthy is now or may become in future. As AQI increases, so do health threats. In addition reporting daily quality, it also a measure of pollution impacts one’s over limited period time. The was created assist people understanding local affects their health. Therefore, aim this study assess one day 253 towns Ni...

The effects of eighteen precipitation (rain and snow) events in both Jinan Qingdao cities Shandong Province, China, on the air quality dry deposition flux PCDD/Fs were investigated. A total fifteen positive for AQI reductions. In these events, ranged between 29 195 averaged 79, PM2.5 concentration 10 146 µg m–3 39 m–3. comparison average during after precipitation, respectively, with that befor...

The 2019 coronavirus disease (COVID-19) global pandemic spread can be considered a disastrous crisis that, in given geographical area, significantly affects the increase mortality rate with direct and indirect impacts on different scales social, economic, political, ecological factors. effects of this more intense urban areas high population density. Due to significant presence vulnerable group...

In recent years, air pollution in Chennai city India causes some health effects. This study examines the spatial-temporal characteristics of ambient quality five stations Adyar, Anna Nagar, Kilpauk, Nungambakkam and Thiyagaraya Nagar from 2017 to 2022. The surface level aerosol pollutants like particulate matters (PM 2.5 & PM 10 ) gaseous Sulfur dioxide (SO 2 Nitrogen (NO were obtained Tami...